Echocardiography and the general physician.
D001327:Autoimmune Diseases / Q000000981:diagnostic imaging; D002318:Cardiovascular Diseases / Q000000981:diagnostic imaging; D004452:Echocardiography / Q000379:methods / Q000639:trends; D005194:Family Practice; D006801:Humans; D013677:Medical Laboratory Science / Q000639:trends; D009422:Nervous System Diseases / Q000000981:diagnostic imaging; D012140:Respiratory Tract Diseases / Q000000981:diagnostic imaging